New Genetic Methods to suppress the effects of Down Syndrome

American scientists have managed to suppress the effects of Down Syndrome in a living cell with a gene switch. The development is a major step...

How does transcription initiate in E.Coli and other prokaryotic organisms?

Transcription is a part of the central dogma of biology and describes the copying of a gene from the DNA to a messenger RNA...

How can bacteria sense each other: bio luminescence.

Vibrio fisheri are a marine gram negative bacterium and they live symbiotically with marine animals like the squid below. However these glowing bacteria are only...

unique heavy or light chain variable regions produced by rearrangement

In immunology a major topic of discussion early on is the rearrangement of variable gene segments to form the complete variable region, either the...

What is a restriction enzyme

restriction enzyme Before the 1970′s the goal of isolating a single gene from a large chromosome was impossible. A gene is much different from a...